Alternatives to WatermelonDB
Compare WatermelonDB alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to WatermelonDB in 2026. Compare features, ratings, user reviews, pricing, and more from WatermelonDB competitors and alternatives in order to make an informed decision for your business.
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1
Sanity
Sanity.io
Sanity is a Content Operating System designed to power modern content applications and AI-driven workflows. It combines a flexible headless CMS, real-time collaboration tools, and a scalable content database called Content Lake. Developers can configure Sanity Studio with TypeScript and React to build fully customized content workspaces. The platform supports visual editing, structured content modeling, and powerful querying using GROQ. With built-in compute and AI capabilities, teams can automate workflows and trigger serverless functions based on content changes. Sanity integrates seamlessly with popular frameworks like Next.js, React, Vue, and many others. It enables organizations to build, manage, and scale content-driven experiences without backend limitations.Starting Price: $0 per project per month -
2
RxDB
RxDB
RxDB is a local-first, NoSQL JavaScript database optimized for modern web and mobile applications. It enables offline-first functionality by storing data directly on the client using storage engines like IndexedDB, OPFS, SQLite, and more. RxDB offers real-time reactivity, allowing developers to subscribe to changes in documents, fields, or queries, ensuring that UI components update automatically as data changes. Its flexible replication engine supports syncing with various backends and custom endpoints. RxDB integrates seamlessly with frameworks and environments. Additional features include field-level encryption, schema validation, conflict resolution, backup and restore, attachments, and CRDT support. By reducing server load and providing low-latency local queries, RxDB enhances performance and scalability, making it ideal for applications that require real-time updates, offline access, and cross-platform consistency.Starting Price: Free -
3
Realm
Realm DB
Realm is a mobile-first, open source object database designed to run directly inside phones, tablets, and wearables. It provides a simple, object-oriented data model that eliminates the need for an ORM, allowing developers to define models as regular classes in languages like Swift, Java, Kotlin, C#, JavaScript, Dart, and C++. Realm's architecture ensures high performance and low memory usage by employing a zero-copy design, lazy loading, and multi-version concurrency control (MVCC) for thread-safe operations. It's live objects and collections automatically update across threads, enabling reactive programming patterns. Realm supports relationships between objects via links and backlinks, facilitating complex data structures. Developers can utilize tools like Realm Studio to inspect and manipulate local Realm databases and integrate Realm into various platforms, including React Native, Flutter, Xamarin, and Node.js.Starting Price: Free -
4
TanStack
TanStack
TanStack is an open source, framework-agnostic collection of high-quality, headless, and type-safe utilities designed for modern web development, offering powerful capabilities in state management, data fetching, routing, UI logic, tables, data grids, charts, and reactive client-side storage. Its ecosystem includes core libraries such as TanStack Query for asynchronous server-state fetching and caching, TanStack Router for full-stack and client-side routing with full TypeScript inference and URL state support, and TanStack Table for headless, customizable tables and data grids across TS/JS frameworks. Additional tools, such as TanStack DB, extend the reactive store with live queries and optimistic mutations, while frameworks like TanStack Start provide a full-stack React experience, including SSR, streaming, server functions, and bundling, powered by its own router and Vite. Collectively, TanStack tools emphasize developer control, performance, scalability, and type safety.Starting Price: Free -
5
Dexie
Dexie
Dexie.js is a minimalistic and bulletproof IndexedDB wrapper library designed to simplify client-side storage. At only ~29k minified and gzipped, it offers a concise API that addresses the complexities of native IndexedDB, such as ambivalent error handling, poor queries, lack of reactivity, and code complexity. Dexie.js provides a well-thought-through API design, robust error handling, extendability, change tracking awareness, and extended KeyRange support, including case-insensitive search, set matches, and OR operations. It embraces the IndexedDB specification and all its features, allowing developers to use existing IndexedDB data without the need for data migration. Dexie.js supports composable real-time queries, enabling components to mirror the database in real-time across various front-end frameworks like React, Svelte, Vue, and Angular. With Dexie Cloud, developers can build consistent, authenticated, and access-controlled local-first apps with just a few lines of extra code.Starting Price: Free -
6
Sequelize
Sequelize
Sequelize is a modern TypeScript and Node.js ORM for Oracle, Postgres, MySQL, MariaDB, SQLite SQL Server, and more. Features solid transaction support, relations, eager and lazy loading, read replication, and more. Define your models with ease and make optional use of automatic database synchronization. Define associations between models and let Sequelize handle the heavy lifting. Mark data as deleted instead of removing it once and for all from the database. Transactions, migrations, strong typing, JSON querying, lifecycle events (hooks), and more. Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Oracle Database, Amazon Redshift, and Snowflake’s Data Cloud. It features solid transaction support, relations, eager and lazy loading, read replication, and more. To connect to the database, you must create a Sequelize instance. -
7
GUN
amark
Realtime, decentralized, offline-first, graph database engine. The data that needs to stored, loaded, and shared in your app without worrying about servers, network calls, databases, or tracking offline changes or concurrency conflicts. GUN is a small, easy, and fast data sync and storage system that runs everywhere JavaScript does. The aim of GUN is to let you focus on the data that needs to be stored, loaded, and shared in your app without worrying about servers, network calls, databases, or tracking offline changes or concurrency conflicts. This lets you build cool apps fast. GUN gives you the most powerful weapons of the internet — decentralization and real privacy — to reclaim the web and make it truly free and open. GUN is a database engine that runs everywhere JavaScript does — browsers, mobile devices and servers, allowing you to build exactly the data system you want. -
8
SQLite
SQLite
SQLite is a C-language library that implements a small, fast, self-contained, high-reliability, full-featured, SQL database engine. SQLite is the most used database engine in the world. SQLite is built into all mobile phones and most computers and comes bundled inside countless other applications that people use every day. SQLite is an in-process library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine. The code for SQLite is in the public domain and is thus free for use for any purpose, commercial or private. SQLite is the most widely deployed database in the world with more applications than we can count, including several high-profile projects.Starting Price: Free -
9
Emotion
Emotion
Emotion is a performant, flexible CSS-in-JS library designed for writing CSS styles using JavaScript, supporting both string-based and object-based styles while delivering a strong developer experience, complete with source maps, labels, and testing utilities. It offers two powerful usage patterns; a framework-agnostic approach which requires no special configuration yet supports vendor-prefixing, nested selectors, media queries, and class composition through the CSS and CX functions; and a React-optimized variant providing advanced features like the CSS prop for direct styling (similar to the style prop but with support for nested selectors, media queries, and theming capabilities), zero-configuration server-side rendering, native theming, and compatibility with ESLint tooling. Emotion also supports styled-component-like APIs, enabling tag-based or component-based styled elements with dynamic prop-driven styling.Starting Price: Free -
10
LemonadeJS
Jspreadsheet
Agnostic Micro Reactive JavaScript Library. LemonadeJS is a dependency-free lightweight library featuring an abstract reactive layer and two-way data binding. It enables the creation of modern platform-agnostic components using pure JavaScript, JSX, or TypeScript. -
11
Volca
Volca
Volca is a comprehensive SaaS boilerplate and starter kit designed to accelerate the development and deployment of SaaS applications. It provides a monorepo that includes a high-performance static landing page, a React dashboard, and a Node.js REST API. The landing page is pre-rendered as static HTML files, ensuring quick load times and improved search engine rankings, and is built with React and TypeScript. The dashboard serves as the primary interface for users, offering features such as user registration, subscription management, and team collaboration, allowing users to create projects and invite team members. The backend API is built with Node.js and TypeScript, operating on a serverless architecture that is cost-effective, secure, and performant. Volca integrates secure and reliable authentication out of the box with AWS Cognito, supports social sign-in through providers like Apple, Google, and Facebook, and includes subscription management with Stripe.Starting Price: $12 per month -
12
CoreIDE
CoreIDE
CoreIDE is a full stack IDE for Java, JavaScript, Node.js and TypeScript developers who work on Spring, Spring Boot, React, Express, Vue, Backbone, AngularJS and other web framework based applications. The IDE is not only limited to web development, you can use it to develop other type of projects like desktop, command line, mobile or stand alone applications. It's free Community version contains all the available features. Java • JavaScript • Node.js • TypeScript • Spring • Spring Boot • React • Express • Vue • Backbone • AngularJSStarting Price: Free -
13
Apache CouchDB
The Apache Software Foundation
Apache CouchDB™ lets you access your data where you need it. The Couch Replication Protocol is implemented in a variety of projects and products that span every imaginable computing environment from globally distributed server-clusters, over mobile phones to web browsers. Store your data safely, on your own servers, or with any leading cloud provider. Your web- and native applications love CouchDB, because it speaks JSON natively and supports binary data for all your data storage needs. The Couch Replication Protocol lets your data flow seamlessly between server clusters to mobile phones and web browsers, enabling a compelling offline-first user-experience while maintaining high performance and strong reliability. CouchDB comes with a developer-friendly query language, and optionally MapReduce for simple, efficient, and comprehensive data retrieval. -
14
AG Grid
AG Grid
AG Grid is a high-performance, feature-rich JavaScript Data Grid library used to display, manipulate, and interact with large tabular datasets in modern web applications, offering core features such as sorting, filtering, editing, grouping, aggregation, pivoting, pagination, and responsive performance that scales to hundreds of thousands of rows with minimal overhead. It is framework-agnostic with official support for major frameworks, including React, Angular, Vue, and plain JavaScript, while maintaining a single consistent API and zero third-party dependencies, making it simple to integrate into existing applications and customize deeply with user-defined components, theming, and modules that allow fine control over bundle size and capabilities. AG Grid is available in a free open source Community edition with essential grid functionality under the MIT license, as well as a commercial Enterprise edition that adds advanced features.Starting Price: $999 per developer -
15
Svelte Native
Svelte Native
Svelte Native is a mobile application framework powered by Svelte, build mobile apps using the friendly web framework you already know. Build cross-platform, native iOS and Android apps without web views. Get truly native UI and performance while sharing skills and code with the web. Use the full power of Svelte including transitions, stores, and reactivity. One of the smoothest development experiences available for mobile. Svelte Native is a new approach to building mobile applications using NativeScript. Where other JavaScript mobile development frameworks like React Native and NativeScript-Vue do the bulk of their work on the mobile device, Svelte Native shifts that work into a compile step that happens when you build your app. Instead of using techniques like virtual DOM diffing, Svelte writes code that surgically updates the native view widgets when the state of your app changes.Starting Price: Free -
16
Toolpad Core
MUI
Toolpad Core is a self-hosted, low‑code internal tool builder tailored for full-stack and back-end developers, empowering them to craft admin interfaces, dashboards, and CRUD apps using drag‑and‑drop visuals while retaining full code control. Built on MUI's robust React component ecosystem, integrating MUI Core and X libraries, it offers a Postman‑like query builder for REST APIs, the ability to import custom React components, and smooth integration with Node.js backends, eliminating the need for boilerplate API wiring. Toolpad operates entirely locally, storing configuration in version-control–friendly files and giving developers the freedom to extend from low‑code prototypes to production‑grade features using JavaScript and TypeScript. With deep alignment to React, TypeScript, Next.js, and local IDE workflows, Toolpad bridges the gap between rapid UI assembly and maintainable, production-ready development.Starting Price: $180 per year -
17
HyperSaaS
HyperSaaS
HyperSaaS is a comprehensive SaaS boilerplate designed to accelerate the development of scalable applications by integrating modern technologies. The front end utilizes React 18 and Next.js 14 with the app router, employing TypeScript and Zod for type safety, and Tailwind CSS for rapid, responsive design. Server-side rendering enhances SEO and improves initial page load performance. The backend is built with Python 3.11, Django, and Django REST Framework, providing a robust and secure API suitable for complex web applications. HyperSaaS includes secure user authentication managed by NextAuth, seamless Stripe integration for subscription payments, and multi-tenancy with workspaces, enabling efficient team management and data security. The development environment is streamlined with Docker and Docker Compose, ensuring consistency across multiple environments.Starting Price: $129 one-time payment -
18
Remotion
Remotion
Remotion is a programmatic video creation framework that lets you make real MP4 and other video formats using React code by treating video as a function of frames and rendering components over time, leveraging familiar web technologies such as CSS, Canvas, SVG, and JavaScript to design, animate, and parameterize dynamic content with data, APIs, and interactivity. It includes tools like Remotion Studio for previewing and rendering, Remotion Player for embedding and reacting to data at runtime, Remotion Lambda for scalable server-side or serverless rendering, and additional components like timeline editing, recorder tools, and editor starter templates for building custom video editing applications with React and TypeScript. It supports scalable rendering locally or in the cloud, dynamic editing of props through a visual interface, and fine-grained animation via React hooks and interpolation utilities.Starting Price: $100 per month -
19
Feathers
Feathers
Feathers can interact with any backend technology, supports many databases out of the box and works with any frontend technology like React, VueJS, Angular, React Native, Android or iOS. Build prototypes in minutes and production-ready apps in days. Leveraging a unique architecture, Feathers lets you focus on building your APIs and real-time applications quickly. You automatically get scalable HTTP and real-time APIs and stay prepared for whatever else the future might bring. Feathers can be used with NodeJS, in the browser, with React Native or with any other API client. You can use any database with many supports out of the box and connect your API seamlessly to any frontend framework. Built for TypeScript, Feathers provides the structure to create complex applications but is flexible enough to not be in the way. With a large ecosystem of plugins you can include exactly what you need. -
20
WebStorm
JetBrains
WebStorm is a powerful JavaScript and TypeScript integrated development environment (IDE) designed to boost developer productivity and enjoyment. It comes ready to use out of the box with essential tools for JavaScript, TypeScript, HTML, CSS, and popular frameworks like React, Angular, and Vue. WebStorm offers deep code understanding, fast navigation, safe refactoring, and built-in Git support. It automates complex tasks such as resolving merge conflicts and debugging tests, saving developers time. The IDE integrates advanced AI-powered coding assistance, including unlimited code completion and offline support. WebStorm’s customizable interface and plugin ecosystem make it adaptable to any developer’s workflow.Starting Price: $129 per user per year -
21
Framework7
Framework7
Framework7 is a free and open-source framework to develop mobile, desktop, or web apps with a native look and feel. It is also an indispensable prototyping tool to show a working app prototype as soon as possible in case you need to. With such a stunning set of UI components that Framework7 provides right from the box, it allows to create web apps, progressive web apps (PWA), and iOS and Android apps with a native look and feel. Framework7 paired with extra tools like Electron and NW.js allows to build native desktop apps. You can use any tools you love when working with Framework7. It doesn’t force you to use anything except plain HTML, CSS, and JavaScript. Creating apps with Framework7 is easy as creating a website. And in addition to vanilla JavaScript library, Framework7 comes with Vue.js, React, and Svelte components to bring components-syntax, structured data, and data bindings with the power and simplicity of Vue.js, React, or Svelte.Starting Price: Free -
22
Aurelia
Aurelia
Aurelia's standards-based, unobtrusive style makes it the only framework that empowers you to build components using vanilla JavaScript or TypeScript. If you know modern JS and HTML, there's little more to learn to build even the most complex apps. At the core of Aurelia is a high-performance, reactive system, capable of batching DOM updates in a way that leaves other frameworks, and their virtual DOMs, in the dust. Experience consistent, scalable performance, no matter how complex your UI. Aurelia enables powerful reactive binding to any object. By using adaptive techniques Aurelia selects the most efficient way to observe each property in your model and automatically syncs your UI and your state with best-in-class performance. State management, internationalization and validation - all official plugins from the core team. CLI, VS Code plugin, and Chrome debugger - optional tools to enhance development.Starting Price: Free -
23
Veloz
Veloz
Veloz is a versatile SaaS boilerplate designed to accelerate the development of software-as-a-service applications by offering a collection of pre-built templates and starter kits. Unlike traditional boilerplates that confine developers to a specific framework or language, Veloz provides the flexibility to select preferred technologies across various components, including frontend frameworks like Next.js, React, and Vue.js, as well as backend services, databases, payment gateways, mailing systems, authentication methods, and SEO tools. This adaptability enables developers to scaffold projects effortlessly, integrate necessary services, and focus on innovation rather than setup. Veloz's architecture supports responsive interface creation with ready-made components, seamless integration with chosen frontend frameworks, performance optimization through intelligent caching and lazy loading, and built-in state management for complex applications.Starting Price: $199 one-time payment -
24
Styleguidist
Styleguidist
Supports JavaScript, TypeScript and Flow Works with Create React App out of the box. Share components with your team, including designers and developers. See how components react to different props and data right in the browser. Find the right combination of props and copy the code. React Styleguidist is a component development environment with hot reloaded dev server and a living style guide that you can share with your team. It lists component propTypes and shows live, editable usage examples based on Markdown files. -
25
Locofy
Locofy
Frontend development accelerated with AI. Turn designs into frontend code for web & mobile. Build full apps, screens, components & design systems. Ship products 10x faster with your existing design tools, libraries, tech stack & CI/CD workflows. Figma & Adobe XD to React, React Native, HTML/CSS, Gatsby, Next.js, Vue, and more coming soon. Keep using the tools you already use. We provide a Figma & Adobe XD plugin to tag your interactive elements and handle styling, layout, and responsiveness. As a bonus, we provide pre-built components from Material UI, Bootstrap, Ant Design, Chakra UI as well as your Storybook. Locofy converts your designs into production-ready code for React, React Native, HTML-CSS, Next.js, Gatsby, Vue, and more on the way in your preferred framework. Make reusable components and props with LocoAI. Export your code in your preferred settings (CSS Modules, Tailwind, CSS, Typescript, JavaScript, Expo).Starting Price: Free -
26
TypeORM
TypeORM
TypeORM is an ORM that can run in NodeJS, Browser, Cordova, PhoneGap, Ionic, React Native, NativeScript, Expo, and Electron platforms and can be used with TypeScript and JavaScript (ES5, ES6, ES7, ES8). Its goal is to always support the latest JavaScript features and provide additional features that help you to develop any kind of application that uses databases - from small applications with a few tables to large scale enterprise applications with multiple databases. TypeORM supports both Active Record and Data Mapper patterns, unlike all other JavaScript ORMs currently in existence, which means you can write high quality, loosely coupled, scalable, maintainable applications the most productive way. -
27
Convex
Convex
Convex is an open source, reactive backend platform that enables developers to build full-stack applications entirely in TypeScript. It offers a document-relational database where queries and mutations are written in TypeScript, ensuring end-to-end type safety and seamless integration with frontend code. Convex's libraries maintain real-time synchronization between the frontend, backend, and database state without the need for manual state management, cache invalidation, or WebSockets. It includes built-in support for cloud functions, scheduling, authentication, file storage, and a variety of components that can be added with a simple npm i command. Developers can define their entire backend, including database schemas, queries, and APIs, in code, which is typechecked and autocompleted, and can be generated by AI with high accuracy. Convex's architecture ensures that all transactions are serializable, providing strong consistency guarantees and eliminating race conditions.Starting Price: $25 per month -
28
JSDefender
PreEmptive
Cutting-edge JavaScript obfuscation techniques with control-flow flattening, tamper detection and other in-app protection transforms. We would not send our own unprotected code to a remote service controlled by third parties and we would not expect you to either. JSDefender supports major JavaScript frameworks, runtimes, and bundlers including Angular, Node, React, React Native, Webpack and others. Unlike languages like .NET and Java that are compiled to intermediate, stack-based assembly instructions before being distributed in binary form, JavaScript apps are typically distributed in source form. This means that your code is directly visible to anyone with access to the execution environment (like a browser). So, potential attackers can very easily step through the running code using a debugger built into their browser, or use other tools to statically analyze the code for vulnerabilities. -
29
React Bootstrap
React Bootstrap
The most popular front-end framework rebuilt for React. React-Bootstrap replaces Bootstrap JavaScript. Each component has been built from scratch as a true React component, without unneeded dependencies like jQuery. As one of the oldest React libraries, React-Bootstrap has evolved and grown alongside React, making it an excellent choice as your UI foundation. Built with compatibility in mind, we embrace our bootstrap core and strive to be compatible with the world's largest UI ecosystem. By relying entirely on the Bootstrap stylesheet, React-Bootstrap just works with the thousands of Bootstrap themes you already love. The React component model gives us more control over form and function of each component. Each component is implemented with accessibility in mind. The result is a set of accessible-by-default components, over what is possible from plain Bootstrap.Starting Price: Free -
30
SaaSitive
SaaSitive
SaaSitive offers a comprehensive, step-by-step tutorial guiding developers through the process of building and deploying a real Software as a Service (SaaS) application from scratch using React and Django. The tutorial covers essential aspects of web application development, including frontend implementation with React and Redux in TypeScript, and backend development with Django and the Django Rest Framework in Python. It provides detailed instructions on user authentication processes such as login, logout, registration, email verification, and account management. Additionally, the course demonstrates how to integrate payment vendors like Paddle to accept monthly subscriptions, utilize Celery for background tasks related to data gathering, and implement data visualization on both private and public dashboards. Advanced topics include anomaly detection using machine learning models, setting up email notifications with alarms and warnings, and ensuring secure deployment to the cloud.Starting Price: $199 one-time payment -
31
OrbitDB
OrbitDB
OrbitDB is a serverless, distributed, peer-to-peer database that utilizes IPFS for data storage and Libp2p Pubsub for automatic synchronization across peers. It employs Merkle-CRDTs to ensure conflict-free database writes and merges, making it suitable for decentralized applications, blockchain integrations, and local-first web apps. OrbitDB offers various database types tailored to different use cases: 'events' for immutable append-only logs, 'documents' for JSON document storage indexed by a specified key, 'keyvalue' for traditional key-value pairs, and 'keyvalue-indexed' for LevelDB-indexed key-value data. All these databases are built atop OpLog, an immutable, cryptographically verifiable, operation-based CRDT structure. The JavaScript implementation supports both browser and Node.js environments, with a Go version maintained by the Berty project.Starting Price: Free -
32
Wijmo
GrapeCity
High-performance JavaScript UI controls for enterprise apps. Build lightweight, high-speed HTML5/JavaScript apps with zero dependencies, fast! New in Wijmo 2022 v1: - Inventory management reference app built in Angular - Website traffic monitoring reference app built in Angular - FlexMap added to GeoDashboard reference app - Rotated Spline Chart - Re-order FlexGrid rows with drag and drop General Features of Wijmo: - CellTemplates for Angular, React and Vue FlexGrids - Use Wijmo’s single set of true JavaScript controls in any framework, including Angular, React, and Vue.js - Use controls as native HTML elements with Wijmo Web Components - Filter, group, sort, and more with FlexGrid, JavaScript’s fastest data grid - Visualize data with 80+ charts and controls - Instantly analyze and aggregate data with OLAP Pivot GridStarting Price: $695 per user per year -
33
PouchDB
PouchDB
PouchDB is an open source JavaScript database inspired by Apache CouchDB, designed to run efficiently within the browser. It enables applications to store data locally while offline and synchronize it with CouchDB and compatible servers when back online, ensuring user data remains in sync across sessions. PouchDB supports cross-browser functionality, is lightweight, requires just a script tag and 46KB (gzipped) in the browser, and can be installed via npm. It is easy to learn, requiring some programming knowledge, and is fully open source, with development conducted openly on GitHub. PouchDB allows developers to build applications that function seamlessly offline and online, providing a consistent user experience regardless of network connectivity. It offers a simple API for creating, reading, updating, and deleting documents.Starting Price: Free -
34
React Native
Meta
React Native combines the best parts of native development with React, a best-in-class JavaScript library for building user interfaces. Use a little—or a lot. You can use React Native today in your existing Android and iOS projects or you can create a whole new app from scratch. React primitives render to native platform UI, meaning your app uses the same native platform APIs other apps do. Many platforms, one React. Create platform-specific versions of components so a single codebase can share code across platforms. With React Native, one team can maintain two platforms and share a common technology—React. React Native lets you create truly native apps and doesn't compromise your users' experiences. It provides a core set of platform agnostic native components like View, Text, and Image that map directly to the platform’s native UI building blocks.Starting Price: Free -
35
Couchbase Capella
Couchbase
Couchbase Capella is a cloud database platform that optimizes data storage and processing for both JSON-native operational and analytical data. A faster, better DBaaS for transaction, search, AI, and edge applications, with real-time analytics. Start easily with Capella by using SQL to query your JSON data, and get natural language coding assistance from Capella iQ. Capella is a multipurpose database supporting operational and analytic workloads and use cases, including JSON analytics, vector search, and mobile synchronization. It delivers millisecond response at scale, with the best price-performance of any document Database-as-a-Service. Try for free today and be up and running in minutes. Whether you're tackling development, architectural, or deployment challenges, there are many great reasons to future-proof with Capella. -
36
Temenos Quantum
Temenos
Low code without limits. Quickly build web and mobile applications from pre-built components in a visual canvas. Enhance existing and create new applications with greater agility to keep pace with business demands. In-product guided tours, reusable components and templates, one-click cloud builds and easy data integration with visual data mapping to maximize productivity. Integrate to any backend data source and orchestrate data collection & transformation across multiple systems. Design beautiful applications for any audience across any device without limits on the user experience. Accelerate development using 100+ pre-built native UI widgets for mobile and web. Use the full spectrum of native mobile app, responsive and progressive web app (PWA) functionality to deliver the best possible experience, performance, and security. Build native omni-channel experiences using a single design canvas across mobile, web, wearables, and more. -
37
Bunny Database
Bunny
Bunny Database is a fully managed, globally distributed SQL database service offered by the bunny.net developer platform that makes it easy to deploy, connect, scale, and operate simple relational databases without managing infrastructure. It’s built on libSQL, a fork of SQLite, so it uses standard SQL syntax and works with existing SQLite tools, ORMs, and SDKs while automatically handling replication and scaling for you. You can create a database in one click, choose deployment regions from around the world, and connect your applications via HTTP API, native SDKs (for TypeScript/JavaScript, Go, Rust, .NET), or popular ORMs, with tools to inspect data, run queries, and track performance and metrics in the dashboard. It supports global replication for low-latency reads everywhere, integrates seamlessly with other bunny.net services like Edge Scripting and Magic Containers to bring compute and storage close to users, and uses usage-based billing that keeps databases idle.Starting Price: $0.01 per GB -
38
UploadThing
UploadThing
UploadThing is an open source file upload solution designed for full-stack TypeScript applications. It simplifies the process of adding file uploads by allowing developers to define File Routes that specify the types of files allowed, their sizes, and quantities. It provides SDKs for various frameworks, including Next.js, Astro, SolidStart, SvelteKit, and Nuxt, as well as backend adapters for Express, Fastify, H3, and others. Client-side uploads are facilitated through components and hooks, enabling seamless integration with frontend frameworks like React and Vue. UploadThing emphasizes a balance between security and simplicity by handling authentication on the developer's server while managing the upload process on its own infrastructure. This approach allows for server-side authorization without the need to process files on the developer's server.Starting Price: $10 per month -
39
Kendo UI
Progress Software
Kendo UI is the ultimate collection of JavaScript UI components with libraries for jQuery, Angular, React, and Vue. Quickly build eye-catching, high-performance, responsive web applications—regardless of your JavaScript framework choice. Easily add advanced JavaScript components into your existing or new designs. Kendo UI’s hundreds of components handle everything you need to satisfy your users’ requirements. Add advanced components such as data grids, charts, schedulers, and calendars with just a few lines of code. Each is crafted for performance and customizability. Switching frameworks and starting new projects won’t require a new license or a big learning curve. Everything is included and up-to-date, APIs are consistent and theming is easy. Our QA process coupled with world-class support teams and a large user community means that our components will always work the way they’re supposed to—guaranteed.Starting Price: $899 -
40
KaibanJS
KaibanJS
KaibanJS is a JavaScript framework for building and visualizing multi‑agent AI systems using a familiar Kanban‑style interface. After installing via npm or npx and importing core classes, you can define agent goals, tasks, and teams programmatically, then run workflows locally or deploy to platforms like Vercel or AWS, no vendor lock‑in thanks to its MIT license. A Trello‑like Kaiban Board transforms console logs into shareable, real‑time workflows, while its Redux‑inspired state management ensures consistent handling of agent states, tasks, and results. Built‑in observability captures every state change, tool call, and log for easy debugging and performance monitoring, and extensibility comes via integrations with major frameworks, multiple LLM providers, language‑chain‑compatible tools, and custom plugins. Lightweight and framework‑agnostic, KaibanJS lets JavaScript developers orchestrate, monitor, and iterate on complex agentic workflows. -
41
Replyke
Replyke
Replyke is an open source framework designed to provide a comprehensive social layer for web and mobile apps, offering ready-to-use APIs, SDKs, and UI components for comments, feeds, notifications, user profiles, follow graphs, voting, and moderation rather than building those features from scratch. Its architecture is headless and TypeScript-first, enabling seamless integration into existing stacks, whether self-hosted or cloud-based. Developers can deploy threaded comment systems with mentions, votes, replies, and GIF support, configure feeds with filters like tags, metadata, follows, or timeframe, set up in-app notifications for events like mentions or follows, build curated user lists, manage one-way follow relationships, and incorporate built-in moderation and administrative dashboards for content/report management. The framework supports React and React Native out of the box with hooks and components, and offers full API access for more customized server-side use.Starting Price: $15 per month -
42
Webix
Webix
JavaScript UI library and framework for speeding up web development. JS Framework for cross-platform web Apps development 102 UI widgets and feature-rich CSS / HTML5 JavaScript controls. Save at least 3000+ development hours by using ready-made widgets and UI controls. Develop Web UI 30% faster. We have accumulated the best design ideas. We have meticulously considered UX of each Webix component for five conceptual designs. Our support service specialists know everything about our library and can help you solve any problem. We also have an official support forum where you can discuss issues with our developers. By using Webix JS framework you receive an elegant and lightweight code based on object-oriented programming concepts. Associate your project with jQuery JavaScript library, MVC frameworks AngularJS, React, Vue.js, Backbone.js, third party UI extensions.Starting Price: $848 -
43
Bun
Bun
Bun is a fast, all-in-one JavaScript, TypeScript, and JSX toolkit that ships as a single executable and combines a high-performance runtime, package manager, test runner, and bundler designed as a drop-in replacement for Node.js with broad compatibility and dramatically reduced startup times and memory usage. Written in Zig and powered by Apple’s JavaScriptCore, Bun can execute JavaScript/TypeScript files, scripts, and packages with significantly faster performance than traditional tooling while supporting zero-config TypeScript, JSX, and React out of the box. Its built-in package manager installs dependencies up to 30x faster than npm with workspaces, global caching, migration support, and dependency auditing. Bun’s test runner is Jest-compatible with built-in coverage and concurrent execution, and the bundler processes TypeScript, JSX, CSS, and more without configuration, including support for single-file executables.xx -
44
Mantine
Mantine
Mantine is a comprehensive React component library designed to facilitate the rapid development of accessible and fully functional web applications. It offers over 100 customizable components and 50 hooks, encompassing a wide range of UI elements such as inputs, buttons, modals, popovers, typography, and layout management tools. Built with TypeScript, Mantine ensures type safety across applications, and its components are compatible with modern frameworks like Next.js and Remix. The library provides native support for dark themes, allowing developers to implement dark mode with minimal configuration. Customization is a key feature, with components supporting extensive visual modifications through props, enabling quick prototyping and experimentation. Mantine also facilitates flexible theming, allowing the extension of the default theme with additional colors, shadows, radius, spacing, fonts, and other properties to meet specific design requirements.Starting Price: Free -
45
Google Cloud Firestore
Google
Cloud Firestore is a fast, fully managed, serverless, cloud-native NoSQL document database that simplifies storing, syncing, and querying data for your mobile, web, and IoT apps at global scale. Its client libraries provide live synchronization and offline support, while its security features and integrations with Firebase and Google Cloud Platform (GCP) accelerate the building of truly serverless apps. Firestore offers a great developer experience with built-in live synchronization, offline support, and ACID transactions. These features are available across a robust set of client and server-side libraries. Firestore automatically scales up and down based on demand. It requires no maintenance and provides high availability of 99.99–99.999% achieved through strongly consistent data replication. No-ops database lets you pay only for what you use—no up-front expenditure or underutilized resources. Simplified architecture lets your apps talk directly to Firestore. -
46
Rio
Rio
Rio is an open source Python framework that enables developers to build modern web and desktop applications entirely in Python. Inspired by frameworks like React and Flutter, Rio introduces a declarative UI model where components are defined as Python data classes with a build() method, allowing for reactive state management and seamless UI updates. It includes over 50 built-in components adhering to Google's Material Design, facilitating the creation of professional-grade interfaces. Rio's layout system is Pythonic and intuitive, calculating each component's natural size before distributing available space, eliminating the need for traditional CSS. Developers can run applications locally or in the browser with the backend powered by FastAPI and communication handled via WebSockets.Starting Price: Free -
47
Contentlayer
Contentlayer
Contentlayer is a content preprocessor that validates and transforms your content into type-safe JSON, which you can easily import into your application. It provides a seamless abstraction between your Markdown files or CMS and your application, allowing you to import and manipulate your content as data directly with JavaScript or TypeScript methods. This eliminates the need to learn new query languages or navigate complex APIs. Contentlayer ensures that your data is properly structured across your application by automatically generating type definitions and configurable data validations. It supports integration with various site frameworks and content sources, including MDX, Notion, and Sanity. By facilitating incremental and parallel builds, instant content live-reload, and scalability to handle thousands of documents, Contentlayer enhances both developer experience and application performance. -
48
MS4BI
Mandragore Planete
MS4BI Server PROFESSIONAL: Free System BI Welcome to agile BI projects and small businesses! Ultra light, ultra simple, fully responsive. -Multiplatform : Windows, local & Web Server & Cloud -Charts, queries, dashboards, report design, groups, aggregates, menus,Excel consolidation, web application : budget,timeline,gantt,bank,personal... - Design Tools: Web apps, no coding required. - SQL, ADO, ODBC Oracle. MySQL, SQL Server, SQLite3. - Administration database, encryption. - Language: Ms4Script (lowcode). Unique optimized source code for shorter development times: Pchart, Nice, Morris, ChartJS, Google Charts, Excel, Leaflet and others. - license by subscriptio/year - cloud : free account - Free Version MS4BI integrates with: PHP, HTML, JavaScript, jQuery, Microsoft Edge, Mozilla Firefox, Chrome, SafariStarting Price: €149 for license Year -
49
SvelteKit
SvelteKit
SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. It addresses common development challenges by providing solutions for routing, server-side rendering, data fetching, service workers, TypeScript integration, and more. SvelteKit apps are server-rendered by default, offering excellent first-load performance and SEO benefits, but can transition to client-side navigation to enhance user experience. The framework is designed to grow with developers, allowing them to start simple and add new features as needed. SvelteKit leverages Vite for a fast and feature-rich development experience, including hot module replacement. In short, Svelte is a way of writing user interface components, like a navigation bar, comment section, or contact form, that users see and interact with in their browsers. The Svelte compiler converts your components to JavaScript that can be run to render the HTML for the page and to CSS that styles the page.Starting Price: Free -
50
PDF-LIB
PDF-LIB
Create and modify PDF documents in any JavaScript environment. Create PDF documents from scratch, or modify existing PDF documents. Draw text, images, and vector graphics. Embed your own fonts. Even embed and draw pages from other PDFs. Written in TypeScript and compiled to pure JavaScript with no native dependencies. Works in any JavaScript runtime, including browsers, Node, Deno, and even React Native. Add, insert, and remove pages. Split a single PDF into separate ones. Or merge multiple PDFs into a single document. Create new forms or fill and read existing fields. Checkboxes, buttons, radio groups, dropdowns, option lists, and text fields are all supported. If you aren't using a package manager, UMD modules are available on the unpkg and jsDelivr CDNs. Note that only some PDF readers can view attachments. This includes Adobe Reader, Foxit Reader, and Firefox. If you are using the CDN scripts in production, you should include a specific version number in the URL.Starting Price: Free
